the vast regions south of yunnan into the fold . ( the integration of yunnan itself into “ china proper ” was to take several more centuries , and continues to today . ) as such , from the newly formed tai @ - @ shan states in western and central southeast asia to dai viet and champ ##a in eastern southeast asia , the mongols elected to receive nominal tribute . though the rulers of these states were technically governors of the yuan government , they were the native chieftain ##s , “ who would have ruled there in any case , and they did as they pleased . ” = = = arrival of china on the burmese border = = = the war also marked
the vast regions south of yunnan into the fold. ( the integration of yunnan itself into “ china proper ” was to take several more centuries, and continues to today. ) as such, from the newly formed tai @ - @ shan states in western and central southeast asia to dai viet and champa in eastern southeast asia, the mongols elected to receive nominal tribute. though the rulers of these states were technically governors of the yuan government, they were the native chieftains, “ who would have ruled there in any case, and they did as they pleased. ” = = = arrival of china on the burmese border = = = the war also marked